湊蹺 [凑跷]

Jyutping cau3 kiu2
Pinyin còu qiāo

Definitions (CC-CANTO)
  1. coincidentally; as chance would; it just so happens that
Definitions (粵典–words.hk)
  1. 副詞、書面語
    偶然​；​咁​啱​得​咁​橋
    by coincidence
Definitions (Kaifangcidian)
  1. 碰巧